Adolph Strecker's Short Text-book of Organic ChemistryK. Paul Trench & Company, 1881 - 789 pagini |
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Pagina 24
... cyanide yields potassic chloride and methylic cyanide : CH , Cl + KCN = KCl + CH.CN. Nascent hydrogen converts the latter into ethylamine : CH3.CN + 4H = CH3.CH2.NH2 , in which , by action of nitrous acid , the amide group NH , may be ...
... cyanide yields potassic chloride and methylic cyanide : CH , Cl + KCN = KCl + CH.CN. Nascent hydrogen converts the latter into ethylamine : CH3.CN + 4H = CH3.CH2.NH2 , in which , by action of nitrous acid , the amide group NH , may be ...
Pagina 60
... cyanide of iron and FIG . 16 . D B E potassium of the formula K2Fe2C6N6 , which is not attacked by dilute sulphuric acid . The reaction taking place is represented by the equation : 2K4Fe ( CN ) + 3H2SO , = 3K2SO , + 6HCN + K2Fe2 ( C¿N6 ) ...
... cyanide of iron and FIG . 16 . D B E potassium of the formula K2Fe2C6N6 , which is not attacked by dilute sulphuric acid . The reaction taking place is represented by the equation : 2K4Fe ( CN ) + 3H2SO , = 3K2SO , + 6HCN + K2Fe2 ( C¿N6 ) ...
Pagina 63
... Cyanide , KCy or K - CEN . - Although potassic cyanide can be directly prepared , still it is generally obtained from dried potassic ferrocyanide , which is heated to quiet fusion , without access of air : K1FeCN6 = 4KCN + FeC2 + N2 ...
... Cyanide , KCy or K - CEN . - Although potassic cyanide can be directly prepared , still it is generally obtained from dried potassic ferrocyanide , which is heated to quiet fusion , without access of air : K1FeCN6 = 4KCN + FeC2 + N2 ...
Pagina 64
... cyanide of potassium : K4Fe ( CN6 ) + K2CO3 + C = 6K ( CN ) + CO2 + CO + Fe . The purest potassic cyanide is obtained by passing the vapour of anhydrous hydrocyanic acid into a solution of potassic hydrate in absolute alcohol , the salt ...
... cyanide of potassium : K4Fe ( CN6 ) + K2CO3 + C = 6K ( CN ) + CO2 + CO + Fe . The purest potassic cyanide is obtained by passing the vapour of anhydrous hydrocyanic acid into a solution of potassic hydrate in absolute alcohol , the salt ...
Pagina 65
... cyanide to any other zinc salt . It is decomposed by acids with evolution of hydrocyanic acid , is readily soluble in excess of potassic cyanide , the solution yielding on evaporation octahedral crystals of potassic zincic cyanide ...
... cyanide to any other zinc salt . It is decomposed by acids with evolution of hydrocyanic acid , is readily soluble in excess of potassic cyanide , the solution yielding on evaporation octahedral crystals of potassic zincic cyanide ...
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Adolph Strecker's Short Text-Book of Organic Chemistry, by J. Wislicenus Adolph Friedrich L Strecker Nu există previzualizare disponibilă - 2015 |
Termeni și expresii frecvente
acetic acid alcohol and ether alcohol radicals alcoholic potassic hydrate alcoholic solution aldehyde alkalies alkyl ammonia ammonic anthracene aqueous solution argentic baric benzene benzoic acid benzyl bodies boiling point bromine C₂H calcic carbon atoms carbonic anhydride CH₂ CH3 CH3 chromic acid CnH2n+1 CO.OH colour colourless liquid compounds concentrated converted crystallises crystallises in colourless crystals decomposed decomposition derivatives dibromide dichloride diethyl difficultly soluble dilute diphenyl dissolves dry distillation ethylene ethylic evaporation formula gives glycerine glycol H₂O halogen haloid heating hydrate hydric hydriodic acid hydrochloric acid hydrogen atoms insoluble iodide isomeric isomers ketone latter liquid boiling melting mercury metallic mixture molecules naphthalene nascent hydrogen nitrate nitric acid obtained odour oxidation oxidises oxygen phenyl plumbic precipitate prepared prisms reaction readily soluble salts separated sodic sodium amalgam soluble soluble in alcohol soluble in water sublimed sulphate sulphide sulphonic sulphuric acid temperature urea vapour whilst yellow yields zinc
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